[PATCH 1/4] sysfs: Support is_visible() on binary attributes

Olof Johansson olof at lixom.net
Wed Oct 7 15:08:07 PDT 2015


On Sun, Oct 04, 2015 at 07:33:34PM +0100, Greg KH wrote:
> On Mon, Sep 21, 2015 at 10:38:20AM -0300, Emilio L?pez wrote:
> > According to the sysfs header file:
> > 
> >     "The returned value will replace static permissions defined in
> >      struct attribute or struct bin_attribute."
> > 
> > but this isn't the case, as is_visible is only called on struct attribute
> > only. This patch introduces a new is_bin_visible() function to implement
> > the same functionality for binary attributes, and updates documentation
> > accordingly.
> > 
> > Note that to keep functionality and code similar to that of normal
> > attributes, the mode is now checked as well to ensure it contains only
> > read/write permissions or SYSFS_PREALLOC.
> > 
> > Reviewed-by: Guenter Roeck <linux at roeck-us.net>
> > Signed-off-by: Emilio L?pez <emilio.lopez at collabora.co.uk>
> 
> As this should probably go through the "platform drivers" maintainer,
> I'll just give you this:
> 
> Acked-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> 
> So it can go through their tree and not require me to just take this
> one.

Thanks, applied to the chrome-platform tree now.


-Olof



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